Deniz, a doctor from Izmir, travels to Cappadocia with her boyfriend Arhan to see the places where he grew up and to meet his family. While expecting to meet Arhan's family, Deniz learns from Arhan's mother, Gönül, that Arhan is already engaged. This engagement is a promise made between two families, a promise that Arhan himself never agreed to. Shocked by this revelation, Deniz decides to return to Izmir, but Arhan stops her at the airport. He tells her that the only person he wants to spend his life with is Deniz. Arhan and Deniz decide to get married. However, their wedding night turns into a nightmare when Arhan's brother Cemal is shot. Now, they must find a killer, and their love will be tested by many challenges.

Deniz's arrival at the mansion with Arhan is devastating for Gönül, a grieving mother. Deniz, the unwanted bride, will have her patience tested at the mansion and will be subjected to mistreatment. Thinking that Tufan is the murderer of her son, Gönül does not hesitate to put Deniz in danger to get him. However, this plan will have unexpected consequences.

Arhan goes after Tufan and saves Deniz. But something he never expected happens. Deniz changes her statement and ensures that Tufan is released. Tufan mentions the suspicious truck he saw on the wedding day as per the agreement he made with Hakim. Thereupon Hakim starts looking for the truck everywhere to find his grandson's killer. Roza, who thinks that Tufan killed her husband, goes crazy when she learns that she has been released. This anger will cause her to make a big mistake.

Roza points a gun at Tufan, causing him to escape from her hands. While Arhan tries to break the ice with Deniz, Lal runs away from home and takes refuge in Alaca mansion, which starts a new tension between Deniz and Arhan. Arhan's shock at the place where he goes to find the truck they are after will affect all his plans. Meanwhile, Deniz receives an offer to work at the hospital and goes for an interview. However, although she does not realize it yet, her path crosses with someone who will affect her life. While all this is happening, Gönül unexpectedly learns the biggest secret of the mansion.

During the job interview at the hospital, Deniz learns that Gönül requested not to be admitted to the hospital. She tells Gönül to stay away from her marriage. But Gönül has no intention of doing this. Gönül, who learns that there is a relationship between Hanzade and Cihangir, is determined to get rid of Hanzade. When Arhan realizes that there are things going wrong in the company, he goes after this job. Stuck in a corner in every sense, Cihangir finds the solution in cooperating with the enemy. While Deniz tries to adapt to her job, unaware of who the chief physician at the hospital she works at actually is, she is relieved to learn that Lal will be leaving home. However, Gönül's solution for Lal to stay in the mansion will surprise everyone.

Hakim torunuyla karısını birlikte yakalayınca kalp krizi geçirir. Hastanede ölüm kalım savaşı verirken Hanzade onun ölmesini bekliyordur. Hakim'in ölmesi durumunda Cihangir'le ilişkisi ortaya çıkmayacak ve büyük bir mirasın ortaklarından biri olacaktır. Deniz ve Arhan evlenmiş olsa da Lal'in Arhan’danvazgeçmeye niyeti yoktur. Sırf Arhan'a yakın olabilmek için Cihangir ile evlenmeyi kabul etmiştir. Deniz onun hastalıklı ruh halinden korkmakta fakat Arhan'ı ikna edememektedir. Lal, Arhan'ı onun elinden alabilmek için her şeyi yapmaya hazırdır. Roza kaybettiği eşi Cemal'in acısıyla sarsılırken mucize dediği bir olay olur. Cemal'e çok benzeyen bir adam çıkar karşısına, Salih! Roza'ya göre Allah Cemal'i ona tekrar göndermiştir.